The ________ can be used to measure whether a substance is an acid or a base
Fill in the blank(s) with correct word
pH scale
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The energy released as ____ are broken drives ATP synthesis
a. phosphate groups b. the bonds of a sugar's carbon backbone c. hydrogen bonds of water d. ADP molecules e. cofactors
Calcium moves into bones as new bone cells are formed, and moves out of bones as special cells break the bones down. Hormones that are produced by the thyroid and parathyroid glands help regulate this process. As bone cancer causes bones to break down, what might be observed in a patient's body chemistry?
A. Calcium would be released into the blood stream, causing high calcium levels. B. Calcium levels would always remain constant, as the thyroid and parathyroid glands would compensate. C. Calcium would be absorbed into the bones, causing low blood calcium levels.
Which one of the following most specifically explains why plants need water to perform photosynthesis?
A) to provide the oxygen needed to make sugars B) to add a hydrogen to NADPH C) to provide electrons for the light reactions D) to add a phosphate to ATP E) to excite electrons
What cells produce antibodies?
A. B/Plasma cells B. Dendritic Cells C. Fibroblasts D. Neutrophils E. T cells